SFP+ 10 Gigabit Ethernet: -SR: Fiber 10 Gigabit Ethernet 10GBASE-SR: - 10BASE-SR with 10Gigabit 850nM Small form Factor Pluggable (SFP+) - LR: Fiber 10 Gigabit Ethernet 10GBASE-LR: - 10BASE-LR with 10Gigabit 1310nM Small form Factor Pluggable (SFP+) Host Interface: - PCI Express X8 lanes - Support PCI Express Base Specification 2.0 (5GT/s) - Low-Profile Adapter - Low power - SFP+ cage Performance Features: - IPV4 and IPV6 Supports for IP/ TCP and IP/UDP Receive Checksum offload - Fragmented UDP checksum offload for Packet Reassembly - CPU utilization- the 82599 supports reduction in CPU utilization mainly by supporting Receive Side Coalescing (RSC) - Support for 16 virtual machine Device Queues ( VMDq) per port - Support Direct Cache Access (DCA) - Advanced memory architecture reduces latency by preceding TSO packets. A TSO packet may be interleaved with other packets going to the wire - Minimized device I/O interrupt using MSI and MSI-X - Offload of TCP / IP / UDP checksum calculation and TCP segmentation - Large on chip receive packet buffer (512 KB) - Large on chip transmit packet buffer (160KB) - Supports the VPD (Vital Product Data) capability defined in the PCI specification ver. 3.0 - Time sync- IEEE1588- Precision Time Protocol (PTP) - Supports the BCN (Backward Congestion Notification) protocol in addition to the EEDC functionality LAN Features: - IEEE 802.x flow control support - IEEE 802.1q VLAN tagging support - IEEE 802.1p layer 2 priority encoding - Jumbo Frame (up to 15.5KB) - Link Aggregation and Load Balancing - RFC2819 RMON MIB statistics - TCP Segmentation Offload Up to 256KB - Ipv6 Support for IP/TCP Receive Checksum Offload - LEDs indicator for link/Activity